The Waits twins are building a club empireand getting laid a lot along the way.

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Dressed in a tailored suit, Jesse Waits sits atop the backrest of an alligator-skin banquette. It's the early hours of a Friday morning in August at Tryst, the hugely successful nightclub one floor below the blackjack tables at Wynn Las Vegas. Alongside him a couple of leggy women sip champagne while a cocktail waitress in a bustier fusses with bottles of booze and an armada of drinking vessels. To one side of the crowded dance floor, a group of NFL players manage a harem of female fans.

But Waits focuses his attention elsewhere: At a nearby table a baby-faced Californian hotel owner in his early thirties dances solo, conducting the booming beats with devil-horned fingers, while his girlfriend, a voluptuous blonde in a hip-hugging skirt, looks on.

After ordering a couple of thousand dollars' worth of champagne, the hotelier tells Waits that he'd like some girls to party with. "As many as you want," Waits says. Tryst employees round up a half-dozen women and ask them if they'd like some champagne. Soon the millionaire is at the center of a marked-up Cristal frenzy. "He says he and his girlfriend are going to take a few girls back to the room," Waits says between sips from a bottle of Evian. "The guy's a rock star."

Over the next few hours the hotelier spends in excess of $25,000helping Waits become a wealthy man. Tryst, in which he and his identical twin brother, Cy, are partners, generates annual revenues of $40 million, Jesse says, at a profit margin of 70 percent in an industry where 30 is the norm.

The Twins, as they're known around town, are also co-owners and managing partners at Drai's, a louche Vegas after-hours joint. And, with Victor Drai, who was a founding partner at Tryst, they plan to open a Vegas-style club at the W hotel in Hollywood in 2009. But their biggest act yet is the centerpiece of Steve Wynn's new Encore hotel and casino. Opening in December, the $96 million nightclub, called XS, will be the most expensive ever built.

It's easy to confuse the Twins. In addition to their buzz cuts and good looks, the 33-year-old brothers share a passion for martial arts and designer clothing. Both have mansions and children fathered with ex-girlfriends. They try not to mislead women about who is who, or as Jesse puts it, "pull a switcheroo." But, Cy says, it has happened. "I spent all night talking to this beautiful blonde," he says. "We got to my truck and she said, 'You're not Jesseyou're the brother!'"

Jesse makes the rounds at Tryst. He chats up Celtics star Paul Pierce before swooping in to guy-hug Floyd Mayweather. The welterweight boxer routinely pulls up to the Wynn at the head of a procession of associates driving Maybachs, Ferraris, and Land Rovers. He's been known to blow 30 grand in a visit.